AirHint found the following cheapest one-way flights from Chicago (ORD) to Calgary (YYC) in December 2025 (see full year).
One-Way flights
| 01 Dec | United | direct | |
| 13 Dec | Frontier Airlines | ||
| 11 Dec | Delta | ||
| 12 Dec | Delta | ||
| 04 Dec | United | direct | |
| 09 Dec | Air Canada | ||
| 12 Dec | WestJet | direct | |
| 17 Dec | Frontier Airlines | ||
| 09 Dec | United | direct | |
| 25 Dec | Delta |
Also check the deals for return flights from Chicago to Calgary in December.
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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
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